Across
1
Largest river in South America
4
Large area covered with trees
6
Half of the Earth
7
Imaginary line around the middle of Earth
8
Goods brought in from another country
10
City that is seat of government
11
Vast body of salt water
Down
2
Flat grassland in tropical regions
3
Wearing away of land by water or wind
5
Goods sold to another country
9
Ridge of rock or coral near the surface
12
Dry land with little rainfall
13
Where river meets the sea